Pathologic M

This input is used for staging

**Distant lymph nodes** Cervical lymph nodes

NAACCR #900

Pathologic M	Pathologic M Display	Description	Registrar Notes
c0	cM0	No distant metastasis	Unknown; distant metastasis not stated Distant metastasis cannot be assessed Not documented in patient record
c1	cM1	Distant metastasis	CLINICAL assessment only: Distant lymph node(s), NOS Distant metastasis: Direct extension to contralateral lung Discontinuous involvement of contralateral pleura/chest wall Carcinomatosis Distant metastasis WITH or WITHOUT distant lymph node(s) Distant metastases, NOS Stated as M1
p1	pM1	Distant metastasis	HISTOLOGICALLY confirmed: Distant lymph node(s), NOS Distant metastasis: Direct extension to contralateral lung Discontinuous involvement of contralateral pleura/chest wall Carcinomatosis Distant metastasis WITH or WITHOUT distant lymph node(s) Distant metastases, NOS
88	88	Not applicable	Primary site/histology not TNM defined Death certificate only (DCO) case
<BLANK>	BLANK	See Registrar Notes	Pathologic classification criteria not met No pathologic workup for T and N categories and no pathologic evidence of metastasis Only Pathologic Stage Group documented (no T, N, or M information available)